Home / 3,736.26-5,155.65-2,164.05

Finding the Fourth Proportional to 3,736.26, 5,155.65 and 2,164.05

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Solution

The fourth proportional to 3,736.26, 5,155.65 and 2,164.05 is: 2,986.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,736.26 : 5,155.65 = 2,164.05 : x
  2. Step 2: Convert to fraction form
    3,736.26/5,155.65 = 2,164.05/x
  3. Step 3: Cross multiply
    3,736.26x = 5,155.65 × 2,164.05
  4. Step 4: Simplify right side
    3,736.26x = 11,157,084.38
  5. Step 5: Solve for x
    x = 11,157,084.38/3,736.26
  6. Step 6: Final answer
    x = 2,986.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.